Home / 9,426.48-13,008.66-5,447.64

Finding the Fourth Proportional to 9,426.48, 13,008.66 and 5,447.64

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Solution

The fourth proportional to 9,426.48, 13,008.66 and 5,447.64 is: 7,517.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,426.48 : 13,008.66 = 5,447.64 : x
  2. Step 2: Convert to fraction form
    9,426.48/13,008.66 = 5,447.64/x
  3. Step 3: Cross multiply
    9,426.48x = 13,008.66 × 5,447.64
  4. Step 4: Simplify right side
    9,426.48x = 70,866,496.56
  5. Step 5: Solve for x
    x = 70,866,496.56/9,426.48
  6. Step 6: Final answer
    x = 7,517.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.